package main

import (
	// "01/infra"
	"01/testing"
	"fmt"
)

func getRetriever() retriever {
	return &testing111.Retriever{}
}

type retriever interface {
	// Get
	Get(string) string
}



func main() {
	var r retriever = getRetriever()
	// fmt.Println(r.Get("https://www.imooc.com"))
	fmt.Println(r)
	fmt.Println(r.Get("https://www.imooc.com"))
} 

